Cheomseongdae is an astronomical observatory in Gyeongju, South Korea. Hanja is the Korean name for Chinese characters. More specifically it refers to those Chinese characters borrowed from Chinese and incorporated The Revised Romanization of Korean is the official Korean language Romanization system in South Korea. McCune-Reischauer romanization is one of the two most widely used Korean language Romanization systems along with the Revised Romanization of Korean, which An observatory is a location used for observing terrestrial and/or celestial events Gyeongju is an administrative division of South Korea and one of the most popular tourist destinations in South Korea South Korea, officially the Republic of Korea and often referred to as Korea ( Korean: 대한민국 tɛː Cheomseongdae means star-gazing tower in Korean. This article is mainly about the spoken Korean language See Hangul for details on the native Korean writing system Cheomseongdae is one of the oldest surviving observatories in East Asia, and one of the oldest scientific installations on Earth. It dates to the 7th century to the time of kingdom of Silla, which had its capital in Gyeongju. The 7th century is the period from 601 to 700 in accordance with the Julian calendar in the Christian / Common Era. Silla (57 BC – 935 AD was one of the Three Kingdoms of Korea. Cheomseongdae was designated as the country's 31st national treasure on December 20, 1962. The National Treasures of Korea are a numbered set of tangible treasures artifacts sites and buildings which are recognized by South Korea as having exceptional artistic Events 69 - Vespasian, formerly a general under Nero, enters Rome to claim the title of Emperor. Year 1962 ( MCMLXII) was a Common year starting on Monday (the link is to a full 1962 calendar of the Gregorian calendar. .
According to Samguk Yusa, Cheomseongdae was constructed under the reign of Queen Seondeok (632-647) near the capital of the kingdom. Samguk Yusa, or Memorabilia of the Three Kingdoms, is a collection of legends folktales and historical accounts relating to the Three Kingdoms of Korea ( Goguryeo Seondeok (Sŏndŏk reigned as Queen of Silla, one of the Three Kingdoms of Korea, from 632 to 647. Cheomseongdae means "star gazing platform". The tower is built out of 362 pieces of cut granite which some claim represent the 362 days of the lunar year. Granite (ˈɡrænɪt is a common and widely occurring type of intrusive, Felsic, igneous rock. Some surveys of the site have indicated that there are 366 blocks.  It has 27 circular layers of stones (some associate it with the fact that Queen Seondeok was considered to be the 27th ruler of Silla) surmounted by a square structure. 12 of the layers are below the window level and 12 are above. There are 12 large base stones set in a square, with three stones on each side. These sets of 12 may symbolize the months of the year. The month is a unit of Time, used with Calendars which is approximately as long as some natural period related to the motion of the Moon;
The tower is 5. 7 meters wide at the base and 9. 4 meters tall, and filled with earth up to the level of the window. Its construction style parallels that used at the Bunhwangsa Temple in Gyeongju. Bunhwangsa (literally "Fragrant Emperor Temple" is a temple complex from the Old Silla era of Korea
The Cheomseongdae is one of the oldest surviving observatories in East Asia, though some claim that Cheomseongdae was not suitable for astronomical observation. Others posit that it was used for astrology rather than astronomy, though during that era there was little differentiation between the two. Some scholars have argued that the Cheomsongdae's design was heavily influenced by Buddhism, noting similarities between its design and Mount Sumeru, the center of the world according to Buddhist mythology. Buddhism is a family of beliefs and practices Sumeru ( Sanskrit) or Sineru ( Pāli) is the name of the central world-mountain in Buddhist cosmology. Buddhism is a family of beliefs and practices